August weather forecast
Horten, Norway

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Weather in August

August rings the bell for the ending summer but the season’s cheer persists. Despite a slight fall to 18.6°C (65.5°F), the weather remains pleasantly warm. The month allows the residents to delve into summer festivities before Autumn rolls in. Additionally, this period attracts tourists, making Horten a bustling city during this time.

Temperature

Horten's average high-temperature marks a still comfortable 18.6°C (65.5°F) with the advent of August, closely mirroring that of the preceding month. In August, Horten reports a consistent average low-temperature of 13.6°C (56.5°F) during the nights.

Humidity

In Horten, the average relative humidity in August is 77%.

Rainfall

In Horten, in August, during 16.3 rainfall days, 68mm (2.68") of precipitation is typically accumulated. In Horten, during the entire year, the rain falls for 146.5 days and collects up to 650mm (25.59") of precipitation.

Snowfall

May through September are months without snowfall in Horten.

Sea temperature

With an average sea temperature of 18.4°C (65.1°F), August is the month with the warmest seawater in Horten.
Note: Most people do not find pleasure in swimming when the water temperature is 18.4°C (65.1°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

In August, the average length of the day is 15h and 29min.
On the first day of August in Horten, sunrise is at 05:04 and sunset at 21:44. On the last day of the month, sunrise is at 06:13 and sunset at 20:22 CEST.

Sunshine

In August, the average sunshine in Horten is 10h.

UV index

In Horten, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In August, the average maximum UV index of 4 translates into the following recommendations:
Take precautions - Protection against sun damage is advised. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

What are the temperatures in Horten in August?

In Horten, 18.6°C (65.5°F) is the average high-temperature and 13.6°C (56.5°F) is the average low-temperature during August.

What is the average humidity in August in Horten?

The average relative humidity in August is 77%.

How many days does it rain in August in Horten?

In Horten, during August, the rain falls for 16.3 days and regularly aggregates up to 68mm (2.68") of precipitation.

When it does not snow in Horten?

In Horten, snow does not fall in May through September.

What is the month with the warmest sea water in Horten?

The month with the warmest seawater is August, with an average sea temperature of 18.4°C (65.1°F).

What is the sea water temperature in August in Horten?

In Horten, the average seawater temperature in August is 18.4°C (65.1°F). For swimming, a surface water temperature of 18.4°C (65.1°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Horten have in August?

The average day length in August is 15h and 29min.

When is the sunrise / sunset in August in Horten?

On the first day of August in Horten, sunrise is at 05:04 and sunset at 21:44. On the last day of the month, sunrise is at 06:13 and sunset at 20:22 CEST.

How many hours of sunshine does Horten have in August?

The average sunshine duration in August in Horten, Norway, is 10h.

How high is the UV index in August in Horten?

The average daily maximum UV index in August in Horten, Norway, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in August
Horten, Norway

Average temperature in August - Horten, Norway
  • Average high temperature in August: 18.6°C

The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is February (0.1°C).

  • Average low temperature in August: 13.6°C

The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).

Average pressure in August
Horten, Norway

Average pressure in August - Horten, Norway
  • Average pressure in August: 1011.4mbar

The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

Average wind speed in August
Horten, Norway

Average wind speed in August - Horten, Norway
  • Average wind speed in August: 14.3km/h

The windiest months (with the highest average wind speed) are November and December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (13.6km/h).

Average humidity in August
Horten, Norway

Average humidity in August - Horten, Norway
  • Average humidity in August: 77%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (72%).

Average rainfall in August
Horten, Norway

Average rainfall in August - Horten, Norway
  • Average rainfall in August: 68mm

The wettest month (with the highest rainfall) is November (76mm).
The driest month (with the least rainfall) is April (26mm).

Average rainfall days in August
Horten, Norway

Average rainfall days in August - Horten, Norway
  • Average rainfall days in August: 16.3 days

The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is February (7.3 days).

Average snowfall in August
Horten, Norway

Average snowfall in August - Horten, Norway
  • Average snowfall in August: 0mm

The month with the highest snowfall is January (131mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in August
Horten, Norway

Average snowfall days in August - Horten, Norway
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in August
Horten, Norway

Average sea temperature in August - Horten, Norway
  • Average sea temperature in August: 18.4°C

The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

Average daylight in August /
Average sunshine in August
Horten, Norway

Average daylight in August / Average sunshine in August - Horten, Norway
  • Average daylight in August: 15h and 3min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in August: 10h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in August
Horten, Norway

Average sunshine days in August - Horten, Norway
  • Average sunshine days in August: 12.3 days

The month with the most sunshine days is April (18.3 days).
The month with the least sunshine days is February (11.8 days).

Average UV index in August
Horten, Norway

Average UV index in August - Horten, Norway
  • Average UV index in August: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in August
Horten, Norway

Average cloud cover in August - Horten, Norway
  • Average cloud cover in August: 36

The month with the most cloud cover is February (Cloud cover 60).
The months with the least cloud cover are June, July and August (Cloud cover 36).

Average visibility in August
Horten, Norway

Average visibility in August - Horten, Norway
  • Average visibility in August: 10km

The months with the highest visibility are May, June, July, August and September (10km).
The month with the lowest visibility is February (8km).

Horten, Norway

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